1125135325 has 24 divisors (see below), whose sum is σ = 1432236456. Its totient is φ = 876809600.

The previous prime is 1125135313. The next prime is 1125135353. The reversal of 1125135325 is 5235315211.

It can be written as a sum of positive squares in 12 ways, for example, as 997422724 + 127712601 = 31582^2 + 11301^2 .

It is not a de Polignac number, because 1125135325 - 2⁷ = 1125135197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125135293 and 1125135302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1722699 + ... + 1723351.

It is an arithmetic number, because the mean of its divisors is an integer number (59676519).

Almost surely, 2^1125135325 is an apocalyptic number.

It is an amenable number.

1125135325 is a deficient number, since it is larger than the sum of its proper divisors (307101131).

1125135325 is an frugal number, since it uses more digits than its factorization.

1125135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 699 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1125135325 is about 33543.0369078293. The cubic root of 1125135325 is about 1040.0836116826.

The spelling of 1125135325 in words is "one billion, one hundred twenty-five million, one hundred thirty-five thousand, three hundred twenty-five".